/* Copyright (C) 2008  Romolo Camplani, Marco Fortunato, Marco Marelli, Guido Rota, Fabio A. Schreiber et al.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.dei.perla.parser.util;

/**
 * Enumerazione dei tipi di dato supportati nativamente dal linguaggio
 */
public enum BuiltInType {

	
	/**
	 * Identificatore univoco (URI)
	 */
	ID			("ID"),
	
	/**
	 * Timestamp (intero)
	 */
	TIMESTAMP	("TIMESTAMP"),
	
	/**
	 * Valore Booleano
	 */
	LOGIC		("LOGIC"),
	
	/**
	 *	Valore intero
	 */
	INTEGER		("INTEGER"),
	
	/**
	 * Valore con virgola
	 */
	FLOAT 		("FLOAT"),
	
	/**
	 * Stringa
	 */
	STRING 		("STRING"),
	
	/**
	 * Valore nullo
	 */
	NULL 		("NULL");
	
	
	private String type;
	
	BuiltInType(String type) {
		
		this.type = type;
	}
	
	/**
	 * Ritorna una descrizione testuale del tipo di dato 
	 */
	public String toString() {
		
		return this.type;
	}	
}
